Quadrature wavelength scanning interferometry
A novel method to double the measurement range of wavelength scanning interferometry (WSI) is described. In WSI the measured optical path difference (OPD) is affected by a sign ambiguity, i.e. from an interference signal it is not possible to distinguish whether the OPD is positive or negative. The...
| Main Authors: | , , , , |
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| Format: | Article |
| Published: |
Optical Society of America
2016
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| Online Access: | https://eprints.nottingham.ac.uk/35132/ |